package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理
 */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CategoryService categoryService;


    /**
     * 分页查询数据
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, Integer type) {
        log.info("分页数据：{},{},{}", page, pageSize, type);
        //
        Page<Category> pageinfo = new Page<>(page, pageSize);
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        if (type != null) {
            queryWrapper.eq(Category::getType, type);
        }
        queryWrapper.orderByDesc(Category::getUpdateTime);

        categoryService.page(pageinfo, queryWrapper);
        return R.success(pageinfo);
    }


    /**
     * 删除分类数据
     *
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id) {

//        categoryService.removeById(id);
        categoryService.remove(id);

        return R.success("删除成功");
    }


    /**
     * 修改分类数据
     *
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category) {

        categoryService.updateById(category);
        return R.success("修改成功");
    }


    /**
     * 添加分类数据
     *
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category) {
        categoryService.save(category);
        return R.success("添加成功");
    }

    /**
     * 根据条件查询分类数据
     *
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType() != null, Category::getType, category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);

        return R.success(list);

    }

}
